Anesthesiologists in California
Data updated monthly · Last refresh October 2026
7,627 Anesthesiology providers practice in California, including 106 (1%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
7,627providers
106telehealth
Los Angelestop city
Anesthesiology by city in California
Choose a city to see providers there.
Anesthesiology providers in California
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. William Watkins, MDSanta Barbara, CA · $16 in drug and device payments (2025) ·
(805) 682-7751 Dr. Zed Reagan, MDSanta Barbara, CA · $269 in drug and device payments (2025) ·
(805) 682-7751 Dr. Zohair Hussain, M.D.Santa Barbara, CA · No drug or device payments recorded (2025) ·
(805) 682-7751 Dr. Alexander Vayner, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Annie Lee, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Arunabha BasuSanta Clara, CA · $186 in drug and device payments (2025) ·
(408) 851-1000 Dr. Arun Rama, MDSanta Clara, CA · $28 in drug and device payments (2025) ·
(408) 236-6400 Dr. Curtis Darling, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-1000 Dr. Daniel Plack, MDSanta Clara, CA · $186 in drug and device payments (2025) ·
(408) 851-1000 Dr. David Newswanger, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Giang Le, M.D.Santa Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-6137 Dr. Glenn Rennels, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Gordon Haddow, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-6020 Dr. Greg Neukirchner, M.D.Santa Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-6020 Dr. James Healzer, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. James Ko, MDSanta Clara, CA · $51 in drug and device payments (2025) ·
(408) 851-6020 Dr. Jean Henney, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Jenifer Damewood, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Joshua LeeSanta Clara, CA · $64 in drug and device payments (2025) ·
(408) 851-3834 Dr. Kevin Ma, M.D.Santa Clara, CA · $27 in drug and device payments (2025) ·
(408) 851-6020 Dr. Kong Cheung, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-1000 Dr. Leila Siukola, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Marlon SeijoSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-1000 Dr. Martha Daly, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-6028 Dr. May Thai, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Ming-jing Wang, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Nasim Irani, MDSanta Clara, CA · $120 in drug and device payments (2025) ·
(408) 851-1000 Dr. Patrick Halliday, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-1000 Dr. Prachi Anshu, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-6020 Dr. Rachel Scheuring, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Sheila Vaz, MDSanta Clara, CA · $92 in drug and device payments (2025) ·
(408) 236-6400 Dr. Sipong Prakalapakorn, M.D.Santa Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-6041 Dr. Sophie Jin, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-1000 Dr. Stephan Diljak, MDSanta Clara, CA · $186 in drug and device payments (2025) ·
(480) 851-4164 Dr. Stephen Fisk, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Sumangala Kuramkote, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 851-1000 Dr. Teresa Chiu, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Thomas Holtzapple, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Uday Jain, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 988-0105 Dr. Vaishali Hadap, MDSanta Clara, CA · No drug or device payments recorded (2025) ·
(408) 236-6400 Dr. Victor Lan, M.D.Santa Clara, CA · No drug or device payments recorded (2025) ·
(408) 890-1583 Dr. Christopher Kim, M.D.Santa Clarita, CA · No drug or device payments recorded (2025) ·
(661) 255-6644 Dr. Miguel Williams, M.D.Santa Clarita, CA · No drug or device payments recorded (2025) ·
(661) 255-6644 Dr. Paul Bennett, M.D.Santa Clarita, CA · No drug or device payments recorded (2025) ·
(661) 255-6644 Dr. Andrew Moreland, M.D.Santa Cruz, CA · No drug or device payments recorded (2025) ·
(831) 476-6943 Dr. Brian Nevitt, M.D.Santa Cruz, CA · No drug or device payments recorded (2025) ·
(831) 477-2288 Dr. Caroline Ryan, M.D.Santa Cruz, CA · No drug or device payments recorded (2025) ·
(831) 462-7562 Dr. Chante Buntin, MDSanta Cruz, CA · No drug or device payments recorded (2025) ·
(831) 251-1338 Dr. Clair Secomb, MDSanta Cruz, CA · $26 in drug and device payments (2025) ·
(831) 462-7800 Dr. Daryl Smith, MDSanta Cruz, CA · No drug or device payments recorded (2025) ·
(831) 477-2288 Common questions
How many Anesthesiology providers are in California?There are 7,627 Anesthesiology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Anesthesiology providers in California offer telehealth?Yes. 106 of the 7,627 Anesthesiology providers in California (about 1%) report offering telehealth services in CMS data.
Which cities in California have the most Anesthesiology providers?Los Angeles (774), San Diego (690), San Francisco (508) have the highest concentration of Anesthesiology providers in California.
How many Anesthesiology providers in California received drug or device company payments?2,112 of 7,627 Anesthesiology providers in California (28%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Anesthesiologists in California work in independent practices or large health systems?Among 4,562 Anesthesiologists in California enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 24% through a mid-size group of 10 to 99, and 68% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Anesthesiologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Anesthesiologists hold privileges are Stanford Health Care in Stanford; Cedars-Sinai Medical Center in Los Angeles; Uci Health-Orange in Orange.
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